Patent US3054267A successfully refreshed from Google Patents.
US3054267A
Expired / Lapsed
US
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Method of and means for launching and erecting offshore structures
Assignee: TEXSTAR CORP
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Filing: 1957-05-29
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Granted: 1962-09-18
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Expires: 1977-05-29
Abstract
No abstract record available.
Inventors
- 👤 Alcorn Irwin Wyland
- 👤 John R Graham
- 👤 Lowell B Christenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:11
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/02; E02B17/027; B; B63; B63B; B63B35/00; B63B35/003; B63B35/28; B63B35/30; B63B35/301; E02B2017/0039; E02B2017/0052
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |